Mei symmetry of Tzénoff equations of holonomic system
郑世旺, 贾利群, 余宏生
Mei symmetry of Tzénoff equations of holonomic system
Zheng Shi-Wang (郑世旺), Jia Li-Qun (贾利群), Yu Hong-Sheng (余宏生)
中国物理B . 2006, (7): 1399 -1402 .  DOI: 10.1088/1009-1963/15/7/001